<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <script src="script.js"></script>
  <style>
    canvas {
      margin-left: 10px;
    }
  </style>
</head>
<body>
<canvas width="300" height="300" style="border: 2px solid #666;"></canvas>
<br>
<button onclick="window.clear();" style="margin: 4px;">清除</button>
<button onclick="window.predict();" style="margin: 4px;">预测</button>
</body>
</html>
